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Problems

970 problems

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Array447String248Hash Table189Math173Database113Sorting100Simulation93Two Pointers70Counting69Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · With video · 970 results

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TitleSolutionAcceptDifficultyTopics
1421. NPV QueriesVideoPremium
Solution82.8%Easy
Database· 1 company
1422. Maximum Score After Splitting a StringVideo
Solution65.1%Easy
Prefix Sum, String· 3 companies
1426. Counting ElementsVideoPremium
Solution60.9%Easy
Array, Hash Table· 1 company
1427. Perform String ShiftsVideoPremium
Solution56.0%Easy
Array, Math +1· 1 company
1431. Kids With the Greatest Number of CandiesVideo
Solution87.8%Easy
Array· 6 companies
1435. Create a Session Bar ChartVideoPremium
Solution74.3%Easy
Database· 1 company
1436. Destination CityVideo
Solution79.5%Easy
Array, Hash Table +1· 4 companies
1437. Check If All 1's Are at Least Length K Places AwayVideo
Solution64.3%Easy
Array· 3 companies
1446. Consecutive CharactersVideo
Solution60.1%Easy
String· 4 companies
1450. Number of Students Doing Homework at a Given TimeVideo
Solution76.3%Easy
Array
1455. Check If a Word Occurs As a Prefix of Any Word in a SentenceVideo
Solution68.8%Easy
String, String Matching +1· 4 companies
1460. Make Two Arrays Equal by Reversing SubarraysVideo
Solution75.9%Easy
Array, Hash Table +1· 4 companies
1464. Maximum Product of Two Elements in an ArrayVideo
Solution84.7%Easy
Array, Heap (Priority Queue) +1· 7 companies
1469. Find All The Lonely NodesVideoPremium
Solution83.8%Easy
Binary Tree, Breadth-First Search +2· 1 company
1470. Shuffle the ArrayVideo
Solution88.7%Easy
Array· 6 companies
1474. Delete N Nodes After M Nodes of a Linked ListVideoPremium
Solution74.4%Easy
Linked List· 1 company
1475. Final Prices With a Special Discount in a ShopVideo
Solution84.1%Easy
Array, Monotonic Stack +1· 7 companies
1480. Running Sum of 1d ArrayVideo
Solution86.9%Easy
Array, Prefix Sum· 6 companies
1484. Group Sold Products By The DateVideo
Solution78.5%Easy
Database· 3 companies
1486. XOR Operation in an ArrayVideo
Solution87.5%Easy
Bit Manipulation, Math· 2 companies
1491. Average Salary Excluding the Minimum and Maximum SalaryVideo
Solution63.5%Easy
Array, Sorting· 1 company
1495. Friendly Movies Streamed Last MonthVideoPremium
Solution49.0%Easy
Database· 1 company
1496. Path CrossingVideo
Solution62.5%Easy
Hash Table, String· 3 companies
1502. Can Make Arithmetic Progression From SequenceVideo
Solution68.9%Easy
Array, Sorting· 5 companies
1507. Reformat DateVideo
Solution69.0%Easy
String· 4 companies
1511. Customer Order FrequencyVideoPremium
Solution66.2%Easy
Database· 1 company
1512. Number of Good PairsVideo
Solution89.9%Easy
Array, Counting +2· 10 companies
1517. Find Users With Valid E-MailsVideo
Solution35.2%Easy
Database· 4 companies
1518. Water BottlesVideo
Solution72.6%Easy
Math, Simulation· 9 companies
1523. Count Odd Numbers in an Interval RangeVideo
Solution54.4%Easy
Math· 5 companies
1527. Patients With a ConditionVideo
Solution39.5%Easy
Database· 3 companies
1528. Shuffle StringVideo
Solution85.5%Easy
Array, String· 2 companies
1534. Count Good TripletsVideo
Solution85.5%Easy
Array, Enumeration· 5 companies
1539. Kth Missing Positive NumberVideo
Solution63.9%Easy
Array, Binary Search· 9 companies
1543. Fix Product Name FormatVideoPremium
Solution59.1%Easy
Database
1544. Make The String GreatVideo
Solution68.8%Easy
Stack, String· 4 companies
1550. Three Consecutive OddsVideo
Solution69.3%Easy
Array· 5 companies
1556. Thousand SeparatorVideo
Solution53.7%Easy
String
1560. Most Visited Sector in a Circular TrackVideo
Solution59.9%Easy
Array, Simulation· 2 companies
1565. Unique Orders and Customers Per MonthVideoPremium
Solution82.1%Easy
Database
1566. Detect Pattern of Length M Repeated K or More TimesVideo
Solution43.9%Easy
Array, Enumeration· 1 company
1571. Warehouse ManagerVideoPremium
Solution87.5%Easy
Database· 1 company
1572. Matrix Diagonal SumVideo
Solution84.2%Easy
Array, Matrix· 6 companies
1576. Replace All ?'s to Avoid Consecutive Repeating CharactersVideo
Solution45.7%Easy
String· 1 company
1581. Customer Who Visited but Did Not Make Any TransactionsVideo
Solution68.9%Easy
Database· 7 companies
1582. Special Positions in a Binary MatrixVideo
Solution72.6%Easy
Array, Matrix· 3 companies
1587. Bank Account Summary IIVideo
Solution83.4%Easy
Database· 1 company
1588. Sum of All Odd Length SubarraysVideo
Solution84.0%Easy
Array, Math +1· 3 companies
1592. Rearrange Spaces Between WordsVideo
Solution43.9%Easy
String· 1 company
1598. Crawler Log FolderVideo
Solution71.7%Easy
Array, Stack +1· 2 companies
Showing 351–400 of 970